usb: image: mdc800: change kmalloc() to kzalloc()
Priority LOW 22Published · Updated
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
- —
- Fix status
- Partial Red Hat: 7 without a fix
No CVSS vector from any source. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: image: mdc800: change kmalloc() to kzalloc() Change the kmalloc() calls in usb_mdc800_init() for irq_urb_buffer and download_urb_buffer to kzalloc(), avoiding potential stack leaks if a shorter message is received in mdc800_usb_irq() and mdc800_usb_download_notify()
Why it matters now
EPSS 0.00201 10th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10.270, 5.15.221, 6.1.188 +5Red Hat: 7 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 2.6.12 and later | 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.51, 7.2.5, 7.3 | Patch available | CNA |
- Linux VendorLinux Affected 2.6.12 and later Fixed in 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.51, 7.2.5, 7.3 Patch available CNA
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.51, 7.2.5, 7.3
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 5 | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-90034
- 2026-10-03 Alias added: GHSA-cc2m-7vjr-3594
- 2026-10-19 Fix available: Linux/[email protected] · CNA
- 2026-10-21 Affected versions changed · Red Hat
- 2026-10-21 CVSS score added · Red Hat
- 2026-11-07 Affected versions changed · Red Hat
References
Other 8
- https://git.kernel.org/stable/c/6c601410d1a9ae645f604fe2f61b9f4942c77dfb
- https://git.kernel.org/stable/c/2df8f7720ed91f1aad4f128553b6e90c7c5fac1e
- https://git.kernel.org/stable/c/67c6726dd6048a2781aa43a2bf9fcf1e16ee3a7d
- https://git.kernel.org/stable/c/553c375e86a49882e95840565512e17bff31cc3a
- https://git.kernel.org/stable/c/8c38049879f2108f57c98f03cc7f3db51a12bdab
- https://git.kernel.org/stable/c/838455cc8bfe1278150d1d776529edea6cd4c1dd
- https://git.kernel.org/stable/c/e22428f0c038c23109c0383a235aa607b0cd4c95
- https://git.kernel.org/stable/c/2430eb81e44111b30eeb5273bbcf8b24ca517ef9
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Sources
- CVE-2026-90034 · CVE Program
- CVE-2026-90034 · NVD
- FIRST EPSS
- GHSA-cc2m-7vjr-3594 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-90034 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences